Dimension error calculation of typical complex parts in rapid investment casting
Combined with the rule of dimension error transfer from CAD model to one-time wax impregnation, the dimension shrinkage in X […]
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investment casting
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Traditional investment casting is also known as “lost wax casting”
Traditional investment casting is also known as “wax loss casting”. Because of the high dimensional accuracy and surface quality of
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SLS forming of typical complex parts in rapid investment casting
Based on the rule of dimensional error transfer and reverse engineering, the 3D digital scanning of complex parts after one
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Observation on size error transfer from prototype to wax pattern in SLS rapid investment casting
In view of the influence of different post-treatment on the surface quality of the specimen, considering the low surface strength
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Analysis of post processing results of size error transfer from prototype to wax pattern in SLS rapid investment casting
In the experiment, the dimension deviation is used as the measurement index of the dimension accuracy of the specimen. The
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Design of wax impregnation scheme for SLS rapid investment casting prototype
For the SLS fired specimens, the specific dimensions are shown in Figure 1. The size of the sample for selective
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Dimension error from CAD model to SLS rapid investment casting prototype
The process parameters of SLS were predicted as follows: temperature 95 ℃, laser power 30W, powder layer thickness 0.14mm, scanning
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Selection of dimension error transfer specimen from CAD model to SLS rapid investment casting prototype
As for specimen selection, Wang Danni of Wuhan University of science and technology used finite element analysis and BP neural
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Analysis on macro error sources of rapid investment casting
Because the sintered materials are mainly thermoplastic polymer materials and their composites, under the action of laser, the powder absorbs
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Analysis of micro error sources in rapid investment casting
In SLS rapid investment casting process, there are SLS prototype preparation, SLS prototype post-processing and alloy casting solidification process, and
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Rapid investment casting process
Based on the process of rapid investment casting, the source of dimension error in the process of rapid investment casting
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Compensation method for dimension error of typical complex parts in rapid investment casting
Through the description of complex parts structure and reverse engineering. This paper mainly studies the application of reverse engineering technology
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Dimensional error from prototype to wax pattern in SLS rapid investment casting
The wax impregnation process plays an important role in improving the strength and surface quality of the specimen. According to
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Dewaxing operation guide for investment casting
Operation procedure: Equipment preparation: 1) The pressure of steam generator for dewaxing shall be 0.8-1.0mpa, and the minimum pressure shall
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Operation instruction for tree assembly of casting investment casting
Operating procedures: a) Before assembly and welding, visual inspection shall be carried out for all wax molds again to remove
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Operation guide for wax repair in investment casting
Operation procedure: Before wax repair, check the wax mould that has been cooled and has no defects in appearance. For
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Operation instruction of wax pressing in investment casting
Operation procedure: Check whether the oil pressure, heat preservation temperature and operation button of the wax compressor are normal, and
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Improvement of impeller casting process
The production difficulty of impeller mainly lies in the whole molding process. Using traditional casting technology, it is difficult to
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Application of 3D printing in Foundry Technology
1 Rapid investment casting Investment casting, also known as “lost wax casting”, has a long history in China. It is
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High temperature alloy investment casting technology
High temperature alloy precision casting is widely used in advanced weapon equipment, such as turbine case of aircraft engine, interstage
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Investment casting technology of titanium alloy
With the rapid development of aviation manufacturing industry in recent years, large-scale precision titanium alloy castings are more and more
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Investment casting technology of magnesium alloy
As a commercial metal structure material, magnesium alloy has the advantages of high specific strength, good casting formability, superior damping,
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Investment casting technology of aluminum alloy
Aluminum alloy castings are widely used in advanced weapons because of their low density, high specific strength, good corrosion resistance,
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Development of investment casting technology in aviation industry
Basic casting theory and forming law Due to the lack of theoretical research, the complexity and uncertainty in the filling
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Application of investment casting technology in aviation industry
With the combination of investment casting technology, automatic control, computer simulation and other advanced technologies, the filling performance of alloy
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Advantages and disadvantages of investment casting and its application
Investment casting has the following advantages: the investment casting has high dimensional accuracy and surface finish, and the size accuracy
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History and development of investment casting technology in China
Lost wax casting is now called investment casting. It is a kind of casting technology with little or no cutting.
Investment Casting
Chapter 1 : The Introduction of Investment Casting The so-called investment casting process , it is simply said that use fusible